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Assessment of Regulatory and Legislative Policies Impacting the Adoption of Dual-Fuel Equipment in the Northwest
As a dual-fuel alliance, the Northwest Energy Efficiency Alliance (NEEA) is uniquely positioned to identify solutions that leverage both the natural gas and electric systems to deliver efficient, affordable and reliable energy for Northwest customers. To better understand the policies shaping adoption of dual-fuel technologies, NEEA engaged Potential Energy NW to assess the regulatory and…
Commercial + Industrial|Natural Gas|Residential -
Repeatability, Testing, and Rating of HRV and ERV Technologies using CSA SPE-18:24
Sponsored by the Northwest Energy Efficiency Alliance (NEEA) and conducted by Purdue University, this study evaluated the new CSA SPE-18:24 testing standard for Heat Recovery Ventilators (HRVs) and Energy Recovery Ventilators (ERVs) by testing four commercial products representing major HRV/ERV technologies. The objectives were to assess test repeatability, develop seasonal performance models, evaluate leakage testing…
Commercial + Industrial -
Variable Speed Heat Pump Load Flexibility Modeling
Variable speed heat pumps (VSHP) and cold climate air source heat pumps (ccASHP) have gained increased attention for their potential to support utility end-use load flexibility programs while maintaining customer comfort. VSHPs can be programmed to respond to grid signals, adjusting unit energy consumption by varying the compressor and fan speeds. Very limited data are available to quantify VSHP…
Residential -
Gas High Efficiency DOAS Energy Savings Analysis
The Northwest Energy Efficiency Alliance (NEEA) is exploring the energy savings potential from gas high efficiency dedicated outdoor air system (DOAS) configurations in which the primary heating system for HVAC is a natural gas solution. This report analyzes the energy performance of conventional heating and ventilation approaches compared to high-efficiency system designs across a range…
Commercial + Industrial|Natural Gas -
Home Energy Metering Study Data Standardization and Peak Load Analysis
The Home Energy Metering Study (HEMS) collected one-minute, circuit-level energy use data from more than 400 homes across the Northwest between 2018 and 2026, resulting in a dataset of more than 14 billion data points. The HEMS Data Standardization and Peak Load Analysis, prepared by Resilient Edge and Linden Clean Energy, draws on data from…
Residential -
End-Use Load Research Home Energy Metering Study – Final Report
This is the final report for the residential End-Use Load Research (EULR) project Home Energy Metering Study (HEMS), conducted by Evergreen Economics. HEMS collected one-minute, circuit-level energy use data from more than 400 homes across the Northwest between 2018 and 2026, resulting in a dataset of more than 14 billion data points. This report examined…
Residential -
ERV/HRV Ownership and Maintenance Market Research
The Northwest Energy Efficiency Alliance (NEEA) contracted with MarketWise Advising, LLC to conduct market research with commercial HVAC contractors, facilities managers, tenants, and building owners on the maintenance of energy and heat recovery ventilators (ERVs/HRVs) which are a key component of NEEA’s commercial HVAC programs. Data collected in fall 2025 explored perspectives on installing, commissioning, cleaning, and…
Commercial + Industrial -
ResHVAC Dual-Fuel Systems Analysis
Recorded March 10, 2026 – Gas and electric systems can be combined in multiple ways to provide residential space conditioning. Different combinations and control schemes will lead to different operating costs, energy use, and emissions. NEEA conducted an exploratory analysis to identify dual fuel systems with lower operating costs, reduced energy use, and reduced emissions…
Residential -
Heat Pump Equipment Commissioning Systems
Recorded January 26, 2026 – Heat Pump Equipment Commissioning Systems’ use of cellular phone apps, combined with wireless tool connectivity to the HVAC system, is enabling HVAC technicians to more easily understand if the system they are installing is set-up and operating correctly. In this special session held on Monday, January 26th, representatives from Measure…
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Low-Load Efficient Heat Pump Investigation: 2020 – 2025 Summary Report
The Northwest Energy Efficiency Alliance’s (NEEA) Advanced Heat Pump program is working to transform the market for high efficiency residential heat pumps. A key focus for the program is improving product differentiation so consumers and industry professionals can easily identify systems that deliver cost-effective performance to make more informed purchase decisions. One important differentiator the…
Residential